Write the phrase as a variable expression. Use x to represent "a number."Twice a number, decreased by 14

A. x - 28
B. 2 + x - 14
C. 2(x - 14)
D. 2x - 14


Answer: D

Mathematics

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Make a stem and leaf plot of the data.The attendance counts for this season's basketball games are listed below.227 239 215 219 221 233229 233 235 228 245 231

A.

B.

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Find an equation for the hyperbola described.Vertices at (0, ±6); asymptotes at y = ± x

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

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Identify the conic section represented by the equation.4x2 + 7y2 - 8x + 42y - 59 = 0

A. ellipse. B. parabola C. hyperbola D. circle

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Use a graphing calculator to solve the system by finding  A-1 and  A-1B. (Round to the nearest integer if necessary.)

A. {(3, 7, 8)} B. {(2, -9, -8)} C. {(9, 8, 9)} D. {(2, 9, 8)}

Mathematics